diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88bad96..6ff6a84 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -304,7 +304,7 @@ endif()
 # Global compile & link options including optimization flags
 if(MSVC)
     add_compile_options( /W4;$<$<BOOL:${KTX_WERROR}>:/WX> )
-    add_compile_options( $<IF:$<CONFIG:Debug>,/Gz,/O2> )
+    add_compile_options( $<IF:$<CONFIG:Debug>,,/O2> )
     # Enable UTF-8 support
     add_compile_options( $<$<C_COMPILER_ID:MSVC>:/utf-8> )
     add_compile_options( $<$<CXX_COMPILER_ID:MSVC>:/utf-8> )
@@ -1130,6 +1130,7 @@ if(EMSCRIPTEN)
 endif()
 
 add_library( objUtil STATIC
+    EXCLUDE_FROM_ALL
     utils/argparser.cpp
     utils/argparser.h
     utils/ktxapp.h